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Finding the Fourth Proportional to 226,647.56, 312,773.95 and 126,045.56

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Solution

The fourth proportional to 226,647.56, 312,773.95 and 126,045.56 is: 173,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,647.56 : 312,773.95 = 126,045.56 : x
  2. Step 2: Convert to fraction form
    226,647.56/312,773.95 = 126,045.56/x
  3. Step 3: Cross multiply
    226,647.56x = 312,773.95 × 126,045.56
  4. Step 4: Simplify right side
    226,647.56x = 39,423,767,681.16
  5. Step 5: Solve for x
    x = 39,423,767,681.16/226,647.56
  6. Step 6: Final answer
    x = 173,943.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.